BE474949A - - Google Patents

Info

Publication number
BE474949A
BE474949A BE474949DA BE474949A BE 474949 A BE474949 A BE 474949A BE 474949D A BE474949D A BE 474949DA BE 474949 A BE474949 A BE 474949A
Authority
BE
Belgium
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of BE474949A publication Critical patent/BE474949A/xx

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)
BE474949D 1942-03-10 BE474949A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US434067A US2421023A (en) 1942-03-10 1942-03-10 Means for defining radio courses

Publications (1)

Publication Number Publication Date
BE474949A true BE474949A (xx)

Family

ID=23722683

Family Applications (1)

Application Number Title Priority Date Filing Date
BE474949D BE474949A (xx) 1942-03-10

Country Status (2)

Country Link
US (1) US2421023A (xx)
BE (1) BE474949A (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2489615A (en) * 1947-09-13 1949-11-29 Hazeltine Research Inc Radio aid to air navigation
US2789285A (en) * 1951-11-27 1957-04-16 Csf Directional radio systems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2005798A (en) * 1929-08-31 1935-06-25 Telefunken Gmbh Directional apparatus
BE414648A (xx) * 1932-01-06
US2108562A (en) * 1935-12-24 1938-02-15 Westinghouse Electric & Mfg Co Radio system of fog landing for airplanes
US2198445A (en) * 1936-05-14 1940-04-23 Rca Corp Device for visually indicating the deviation from a course

Also Published As

Publication number Publication date
US2421023A (en) 1947-05-27

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